Transmission and reduction of aerosols in classrooms using air purifier systems.
Transmission and reduction of aerosols in classrooms using air purifier systems.
复制标题
使用空气净化器系统在教室中传播和减少气溶胶。
DOI:
10.1063/5.0044046
复制
发表时间:
2021-03
期刊:
影响因子:
--
通讯作者:
Janoske U
中科院分区:
文献类型:
--
作者:
Burgmann S;Janoske U
SARS-CoV-2 (COVID-19) as an airborne respiratory disease led to a bunch of open questions: how teaching in classrooms is possible and how the risk of infection can be reduced, e.g., by the use of air purifier systems. In this study, the transmission of aerosols in a classroom is analyzed numerically and experimentally. The aerosol concentration in a classroom equipped with an air purifier system was measured with an aerosol spectrometer (optical particle sizer, TSI Incorporated) at different locations. The transient reduction of the aerosol concentration, which was artificially generated by an aerosol generator (di-ethyl hexyl sebacate-atomizer, detected particle size ranging from 0.3 to 10 μm), was monitored. The experimental results were used to validate a numerical simulation model of the classroom using the Open Source Computational Fluid Dynamics code OpenFOAM® (version 6). With the numerical simulation model, different scenarios with infected persons in the room have been analyzed, showing that the air purifier system leads to a significant reduction of airborne particles in the room dependent on the location of the infected person. The system can support additional ventilation strategies with fresh air, especially in cold seasons.
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DOI:
10.1016/j.jhin.2006.05.022
发表时间:
2006-10
期刊:
The Journal of hospital infection
影响因子:
--
作者:
Tang JW;Li Y;Eames I;Chan PK;Ridgway GL
通讯作者:
Ridgway GL
影响因子:
2
作者:
Craven, Brent A.;Settles, Gary S.
通讯作者:
Settles, Gary S.
影响因子:
1.9
作者:
Thatiparti DS;Ghia U;Mead KR
通讯作者:
Mead KR
DOI:
10.1063/5.0033557
发表时间:
2021-01-01
期刊:
Physics of fluids (Woodbury, N.Y. : 1994)
影响因子:
--
作者:
Nazari A;Jafari M;Rezaei N;Taghizadeh-Hesary F;Taghizadeh-Hesary F
通讯作者:
Taghizadeh-Hesary F
DOI:
10.1063/5.0040188
发表时间:
2021-02-01
期刊:
Physics of fluids (Woodbury, N.Y. : 1994)
影响因子:
--
作者:
Liu H;He S;Shen L;Hong J
通讯作者:
Hong J